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19 Cards in this Set
- Front
- Back
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functional divisions of NS (3)
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1. sensory input
2. integration 3. motor output |
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CNS
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central nervous system
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PNS
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peripheral nervous system
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Afferent
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sensory receptors to the brain (senses to brain)
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Neuroglia
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supportive cells
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neurons
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Nerve cells
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astrocytes |
delicate branches & most abundant glia
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microglia cells
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thin branches & protect neuron health
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ependymal cells
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ciliated cells that line cavities
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oligodendrocytes
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wrap around nerve fibers & produces myelin sheaths
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schwann cells
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surround nerve cells with myelin
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amitotic
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no cell division
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composition
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cell body and slender process
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CNS clusters
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nuclei
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PNS cluster
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ganglia
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dendrites
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short branching input toward cell body
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axon
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long, appean segmented
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myelin sheaths
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wrap and insulate the fibers for better impulse conduction
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Nodes of Ranvier
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gaps between schwann cells
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